powerprefection2626 powerprefection2626

03-10-2022
Physics

Answered

The air in the building gains 400 j for every 100 j of energy transferred from the mains electricity supply to the compressor. an advertisement claims that the heat pump system has an efficiency of 400%. explain why the advertisement is not correct

Answer :

Other Questions

In a glass bell connected to an air pump, 2 glasses are placed, one with water, the other empty. These glasses are connected to a tube. What happens when I thi

A computer that is 87% efficient consumes 375 kWh of energy. How much useful energy does it provide? A television that is 83% efficient provides 4 600 J of use

Assertion a): light forms shadow reason r): light always travels in straight line a) both a and r are correct and r is the correct reason for a b) both a and r

A large air mass moves from east to west in the northern hemisphere mid latitude. What is the direction of the coriolis force acting upon the air mass?.

An electric light bulb is 80% efficient. if it uses 300j of electrical energy how much light energy will it produce ? what happens to the rest of the energy ?

What is the mass of an object that currently has 19N of force and is falling due to the acceleration of gravity?

The temperature of a substance is held fixed. is it possible for heat to flow (a) into or (b) out of this system? for each case, give an explanation if your ans

The barometric height of a town is 70cmhg given that the standard atmospheric pressure is 76cmhg and the density of mercury is 13600kgm3 determine the altitude

What is the fastest speed at which a tennis ball can cross the net horizontally and still land in the court? from the net to the end line is 12 m, and the heigh

A 68.5 kg cyclist travels a straight climb two kilometers long. The mass of the bicycle is 11.5 kg, the ratio between altitude difference and distance traveled